Quiz on textbook pages 58-59

Which of the following removes carbon from the atmosphere?

• Combustion
• Respiration
• Photosynthesis
• Death

The process when gaseous carbon (CO₂) is turned into living organic compounds that grow is known as .....

Mangrove soils contain high levels of carbon that have been sequestered by the mangrove trees. What percentage of an undisturbed soil in a mangrove forest is carbon?

• 5%

• 10%

• 15%

• 20%

In a mangrove forest decomposition in the soil is slow. This is because conditions in the soil are ...

• Aerobic

• Anaerobic

The textbook gives an example of mangrove forests. Which of these is the correct example?

• The Kuranda forest of the Daintree peninsular, Australia

• The Byron forest of Byron Bay, Australia

• The Daintree forest of Northern Queensland, Australia

• The Jakaranda forest of Tasmania, Australia.

Why does tundra soil lock in carbon for hundreds of thousands of years?

Which area of the tropical rainforest system contains limited nutrients and stored carbon?

When soil is permanently frozen it is known as

If rainforests die off, which scenario will occur?

• Increased drought

  Increased wildfires

  Increased rainfall

  Fewer trees

  More water in the atmosphere

• Decreased drought

  Decreased wildfires

  Increased rainfall

  More trees

  More water in the atmosphere

• Decreased drought

  Decreased wildfires

  Decreased rainfall

  More trees

  More water in the atmosphere

• Increased drought

  Increased wildfires

  Decreased rainfall

  Fewer trees

  Less water in the atmosphere

What is the consequence if just 2% of mangrove forests are cleared? Tick all correct answers.

• Carbon released will be 20 time natural sequestration rates

• Carbon released will be 50 times natural sequestration rates

• Tourism will increase

• Coastal flooding will increase